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Sledgehammer · Fifth Harmony
℗ 2014 Simco Ltd. under exclusive license to Epic Records, a division of Sony Music Entertainment
Released on: 2015-01-30
Associated Performer, Composer, Lyricist, Engineer, Misc. Prod., Producer: Jonas Jeberg
Background Vocal, Composer, Lyricist: Meghan Trainor
Composer, Lyricist: Sean Douglas
Producer: Harvey Mason, Jr.
Engineer: Andrew Hey
Mixing Engineer: Jaycen Joshua
Assistant Engineer: Ryan Kaul
Assistant Engineer: Maddox Chhim
Mastering Engineer: Dave Kutch
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